CTOR vs XGN: Correlation
Citius Oncology, Inc. (CTOR) and Exagen Inc. (XGN) show a moderate relationship: their 3-year correlation of weekly returns is 0.37.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CTOR and XGN?
Across a 3-year window, the weekly returns of CTOR and XGN correlate at 0.37, moderate. Little has changed lately, as the 1-year reading of 0.33 lands near the 3-year figure. Stretching to 5 years gives 0.36, with an annualized covariance of 6047.4 %².
In CTOR's tracked universe of 21 assets, XGN sits right near the top at #3. Correlation aside, the last 12 months split them widely, with XGN ahead by 40.9 points (-62.2% versus -21.3%). One caveat on sizing: CTOR is 2.1 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
CTOR vs XGN: side by side
| CTOR (Citius Oncology, Inc.) | XGN (Exagen Inc.) | |
|---|---|---|
| 1-year return | -62.2% | -21.3% |
| 5-year return | n/a | -47.1% |
| Volatility (ann.) | 182.3% | 88.9% |
| Beta vs S&P 500 | 1.25 | 1.41 |
| Max drawdown (3Y) | -98.8% | -77.8% |
| Market cap | $0.1B | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CTOR | XGN |
|---|---|---|
| 2022 | – | -79.4% |
| 2023 | +7.7% | -17.1% |
| 2024 | -89.5% | +106.0% |
| 2025 | -13.0% | +48.3% |
| 2026 | -21.0% | +23.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CTOR and XGN good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between CTOR and XGN?
The CTOR/XGN correlation stands at 0.37 on a 3-year window (1 year: 0.33, 5 years: 0.36), computed from weekly returns as of 2026-08-27.
Is XGN a good diversifier for CTOR?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.37 mean?
A reading of 0.37 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ctor-vs-xgn.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ctor-vs-xgn/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CTOR correlations · XGN correlations
